Total global deaths from ambient air pollution in millions (2021)
4.7
(58% of all air pollution deaths)
Most ambient air pollution deaths in 2021 per 100,000 people
153
(Serbia)
Highest population-weighted PM2.5 level (µg/m3) in 2020
85.1
(Niger)
WHO Air Quality Guideline Value (annual PM2.5 in µg/m3)
5
Total ambient air pollution deaths in Asia in millions (2021)
3.4
(72% of global total)
Highest total ambient air pollution deaths in millions (2021)
1.9
(China)
Most ambient air pollution deaths in 2021 per 100,000 people
131
(China)
Highest PM2.5 exposure
48.4
(India)